This manual covers the Volvo TWD1620G engine, a robust V16 diesel engine from the TWD16 family. Featuring a turbocharged induction system and a displacement of 16.1 liters, this engine is engineered for demanding applications where reliability and performance are paramount. Its design prioritizes durability and efficiency, making it a trusted choice for various industrial and heavy-duty uses. This Full Service Repair Manual provides comprehensive information for the maintenance and repair of the Volvo TWD1620G engine. It details essential procedures, technical specifications, and diagnostic guidance necessary for owners, mechanics, and technicians. The manual aims to ensure the longevity and optimal performance of the engine through proper upkeep and timely servicing.